diff --git a/requirements.txt b/requirements.txt
index e50b9a4..d51cb50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,6 @@ mkdocs-autolinks-plugin>=0.2.0
 mkdocs-git-revision-date-localized-plugin>=0.4.8
 mkdocs-macros-plugin
 mkdocs-extra-sass-plugin
-livereload
\ No newline at end of file
+mkdocs-with-pdf
+livereload
+qrcode
\ No newline at end of file